public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug regression/31383] ICE with -O2 -ftree-vectorize (regression)
Date: Wed, 28 Mar 2007 11:45:00 -0000	[thread overview]
Message-ID: <20070328114513.19719.qmail@sourceware.org> (raw)
In-Reply-To: <bug-31383-14038@http.gcc.gnu.org/bugzilla/>



------- Comment #1 from ubizjak at gmail dot com  2007-03-28 12:45 -------
Confirmed on i686-pc-linux-gnu with -O2 -msse2 -ftree-vectorize.

Backtrace:

#0  fancy_abort (file=0x871dab0 "../../gcc-svn/trunk/gcc/tree-data-ref.c",
line=2072, function=0x871eed6 "affine_function_equal_p") at
../../gcc-svn/trunk/gcc/diagnostic.c:655
#1  0x083167cd in common_affine_function (cf=0xa1f51c0) at
../../gcc-svn/trunk/gcc/tree-data-ref.c:2072
#2  0x08316818 in compute_subscript_distance (ddr=0xa1bcd78) at
../../gcc-svn/trunk/gcc/tree-data-ref.c:2212
#3  0x08324749 in subscript_dependence_tester (ddr=0xa1bcd78) at
../../gcc-svn/trunk/gcc/tree-data-ref.c:4158
#4  0x083261ce in compute_data_dependences_for_loop (loop=0xa1eb0c0,
compute_self_and_read_read_dependences=1 '\001', datarefs=0xa1e7184,
dependence_relations=0xa1e7188) at ../../gcc-svn/trunk/gcc/tree-data-ref.c:4782
#5  0x08663096 in vect_analyze_loop (loop=0xa1eb0c0) at
../../gcc-svn/trunk/gcc/tree-vect-analyze.c:1985
#6  0x0841eab4 in vectorize_loops () at
../../gcc-svn/trunk/gcc/tree-vectorizer.c:2222


-- 

ubizjak at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2007-03-28 12:45:13
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31383


  reply	other threads:[~2007-03-28 11:45 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-28  9:15 [Bug regression/31383] New: " jellby at yahoo dot com
2007-03-28 11:45 ` ubizjak at gmail dot com [this message]
2007-03-29 13:29 ` [Bug tree-optimization/31383] " rakdver at gcc dot gnu dot org
2007-03-30  9:37 ` rakdver at gcc dot gnu dot org
2007-03-30 17:41 ` [Bug tree-optimization/31383] [4.3 Regression] " pinskia at gcc dot gnu dot org

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20070328114513.19719.qmail@sourceware.org \
    --to=gcc-bugzilla@gcc.gnu.org \
    --cc=gcc-bugs@gcc.gnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).